Baby Daddy 5×14 “Not So Great Grandma” – Bonnie and Nana Lyle go head-to-head, while Tucker and Riley join an improv class, in an all-new episode of “Baby Daddy,” airing Wednesday, June 22nd on Freeform. In the episode “Not So Great Grandma,” Bonnie is less than thrilled when she finds out that Ben invited her estranged mother Nana Lyle (guest star Loni Anderson) to town for Emma’s preschool’s family weekend. Meanwhile, Riley and Tucker enroll in an improv class in order to step out of their comfort zones and help them out in their respective careers.